BS 2842:1992

Committees responsible
Foreword
Section 1. General
1.1 Scope
1.2 Informative references
1.3 Definition
Section 2. Thermometers
2.1 Type
2.2 Temperature scale
2.3 Stabilization
2.4 Material
2.5 Range
2.6 Dimensions
2.7 Graduation and figuring
2.8 Accuracy
2.9 Expansion chamber
2.10 Marking
Section 3. Frame
3.1 Construction of frame
3.2 Water container
Annexes
A (informative) Method of use of whirling
      hygrometers
B (informative) Tables suitable for use with
      whirling hygrometers
C (informative) Errors in computed relative humidity
D (informative) Thermometric glasses approved by the
      National Physical Laboratory
E (informative) Testing of thermometers
Tables
1 Dimensions for thermometer
C.1 Maximum error in computed relative humidity due to
      thermometer error
D.1 Identification stripe(s) or approved abbreviations
      and normal maximum working temperature of all
      glasses that have been approved for the
      manufacture of thermometer bulbs
Figure
1 Whirling hygrometer: example of general design
List of references

Requirements for thermometers suitable for use in whirling (sling) hygrometers and requirements for the frame.

This British Standard specifies requirements for thermometers suitable for use in whirling (sling) hygrometers, together with sufficient details of the other parts of the instrument to ensure that the thermometers are interchangeable in the frames.